<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script src='lib/jquery-3.1.0.min.js'></script>
</head>
<body>
        <button>获取数据</button>  
</body>
</html>
<script>
    $("button").click(()=>{
        /* $.ajax({
            type:"get",
            url:"http://127.0.0.1:4000/getstudent/10086",
            dataType:"json",
            success:(data)=>{
                console.log(data)
            }     
         })*/ 
         /* $.ajax({
            type:"get",
            url:"http://127.0.0.1:4000/show",
            dataType:"json",
            success:(data)=>{
                console.log(data)
            }     
         }) */
         $.ajax({
            type:"post",
            url:"http://127.0.0.1:4000/login",
            data:{
              "username":"abc123",
              "pwd":"abc123"
            },
            dataType:"json",
            success:(data)=>{
                console.log(data)
            }     
         })
    })
</script>